53463. Road and rail : an enquiry into the economics of competion and state control / by Gilbert Walker. - rev. 2nd ed. - London : George Allen [etc.], 1947. 283 p. : met 3 uitsl. grafieken : 22 cm. - PK : NS K 563

53463. Road and rail : an enquiry into the economics of competion and state control / by Gilbert Walker. - rev. 2nd ed. - London : George Allen [etc.], 1947. 283 p. : met 3 uitsl. grafieken : 22 cm. - PK : NS K 563